CVE-2021-24724 : Exploit Details and Defense Strategies

A Stored Cross-Site Scripting (XSS) vulnerability has been discovered in the Timetable and Event Schedule by MotoPress WordPress plugin before version 2.3.19. This vulnerability could allow low privilege users to execute XSS attacks on both frontend and backend users when viewing related events.

Understanding CVE-2021-24724

This section delves into the details of the CVE-2021-24724 vulnerability.

What is CVE-2021-24724?

The Timetable and Event Schedule by MotoPress WordPress plugin before 2.3.19 fails to sanitize certain parameters, enabling authors or low privilege users to execute XSS attacks on frontend and backend users.

The Impact of CVE-2021-24724

The vulnerability poses a significant risk as it allows malicious authors to inject malicious scripts, potentially leading to unauthorized actions on the affected website.

Technical Details of CVE-2021-24724

This section provides technical insights into the CVE-2021-24724 vulnerability.

Vulnerability Description

The XSS vulnerability in the Timetable and Event Schedule by MotoPress plugin arises from a lack of proper input sanitization for certain parameters, enabling unauthorized script injections.

Affected Systems and Versions

The issue affects versions of the plugin prior to 2.3.19, making websites using these versions susceptible to exploitation.

Exploitation Mechanism

Malicious authors or low privilege users can exploit this vulnerability by injecting malicious scripts in specific parameters, leading to XSS attacks on both frontend and backend users.

Mitigation and Prevention

To safeguard your website from CVE-2021-24724, follow the mitigation and prevention strategies outlined below.

Immediate Steps to Take

Website administrators should immediately update the Timetable and Event Schedule by MotoPress plugin to version 2.3.19 or newer to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implement strict input validation practices, conduct regular security audits, and educate users about safe browsing habits to enhance overall security posture.

Patching and Updates

Stay informed about security patches and updates released by plugin developers. Regularly update all plugins and software to ensure protection against known vulnerabilities.